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Using the rydeberg equation calculate the energy of the transition from lowest state, n=1, to the highest, n= infinity, for hydrogen atom.
What would you call the energy? The energy's special name.
How many grams of sodium formate, NaCO2H are needed to prepare 100 ml of a formic acid, sodium formate buffer
Calculate the amount of heat required to completely sublime 14.0 g of solid dry ice (Co2) at its sublimation temperature
Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
alloy sample was analyzed for its copper content iodometrically. The alloy was dissolved in hot, concentrated nitric acid and prepared for analysis
A student is given four solid samples labeled W, X, Y, and Z. All have a metallic luster. She is told that the solids could be gold, lead sulfide, mica (which is quartz or SiO2), and iodine.
How many grams of Au are there in the whole ocean? With a 60% recovery possible, how many liters of seawater must be processed for gold to obtain 1 kg of that metal?
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
Calculate the volume of 8.0g of oxygen gas if it has a temperature of 552 K, and a pressure of 5 atmosheres
A 265 mL stock solution contains 2.3 M Ca(CN)2. When 105 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?
If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.41 mol of glucose?
How many moles of magnesium are needed to react with 16.0 g of O2?
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